dusík 8B

Quiz
•
Chemistry
•
6th - 8th Grade
•
Hard
Natálie Skálová
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kolik % dusíku najdeme v atmosféře
36%
21%
78%
58%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V molekule dusíku je vazba:
jednoduchá
trojná
dvojná
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tekutý dusík se přepravuje v tlakových lahvích, které mají barvu:
červenou
modrou
zelenou
šedou
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kapalný dusík se využívá k vypalování bradavic
ANO
NE
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kapalný dusík má teplotu
pod -196°C
nad 196°C
196°C
58°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
vetší hustotu má:
kapalný dusík
plynný dusík
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
dusík v atmosféře je:
inertní
reaktivní
kapalný
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
dusíkatá hnojiva ovlivňují
zbarvení květu rostlin
rychlejší růst rostlin
žloutnutí listů
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